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A collector test field can be used to investigate the
temperature response of four differently designed solar
collectors. It also demonstrates the effect of the
absorber's colour, of heat insulation and covering of the glass.
Measurements are made simultaneously and ...
Metal tubes are heated with steam. The linear expansion of three
different metals is determined with the aid of a rotating-shaft
pointer. From this the metals' coefficient of linear expansion is
determined (Supplementary problem). The use of a rolling-shaft
pointer is ...
One end of a U-shaped metal rod is immersed in boiling water and
the other in cold water. From the warming of the cold water
qualitative and quantitative statements can be made about the
influence of the rod's composition, length and diameter on the heat
flow through it. Since ...
A polished and a black beaker are heated by radiation. Instead
of solar radiation a bright flame located in front of the two
beakers is used.
Both beakers are filled with air since the heat capacity of water
is very large and it would be too slowly heated.
What kind ...
A measured quantity of water is heated with a heating coil. The
electrical heat output is determined. From the temperature increase
and the heat energy, the specific heat capacity of water is
calculated. This calculation is performed under point 6
of "Evaluation", i.e. ...
Metal pipes made of different materials are heated by passing steam through them. While each pipe is being tested, one end is securely fixed and the other rests on a rotating shaft, the motion of which is indicated with a pointer. The linear expansion of the different metals is ...
The thermal insulation properties of different materials are compared with one another using test containers. Available materials include polystyrene and mineral wool (insulation materials), sand and sawdust (as examples of stone or wooden walls) and aluminium foil (as an example for metal
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